/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hbase.client;

import static org.apache.hadoop.hbase.util.FutureUtils.get;

import java.io.IOException;
import java.util.List;
import org.apache.hadoop.hbase.HRegionLocation;
import org.apache.hadoop.hbase.TableName;
import org.apache.yetus.audience.InterfaceAudience;

/**
 * The {@link RegionLocator} implementation based on {@link AsyncTableRegionLocator}.
 */
@InterfaceAudience.Private
class RegionLocatorOverAsyncTableRegionLocator implements RegionLocator {

  private final AsyncTableRegionLocator locator;

  RegionLocatorOverAsyncTableRegionLocator(AsyncTableRegionLocator locator) {
    this.locator = locator;
  }

  @Override
  public void close() {
  }

  @Override
  public HRegionLocation getRegionLocation(byte[] row, int replicaId, boolean reload)
    throws IOException {
    return get(locator.getRegionLocation(row, replicaId, reload));
  }

  @Override
  public List<HRegionLocation> getRegionLocations(byte[] row, boolean reload) throws IOException {
    return get(locator.getRegionLocations(row, reload));
  }

  @Override
  public void clearRegionLocationCache() {
    locator.clearRegionLocationCache();
  }

  @Override
  public List<HRegionLocation> getAllRegionLocations() throws IOException {
    return get(locator.getAllRegionLocations());
  }

  @Override
  public TableName getName() {
    return locator.getName();
  }

}
